82729573 has 2 divisors, whose sum is σ = 82729574. Its totient is φ = 82729572.

The previous prime is 82729567. The next prime is 82729579. The reversal of 82729573 is 37592728.

It is a balanced prime because it is at equal distance from previous prime (82729567) and next prime (82729579).

It can be written as a sum of positive squares in only one way, i.e., 52446564 + 30283009 = 7242^2 + 5503^2 .

It is a cyclic number.

It is not a de Polignac number, because 82729573 - 2⁹ = 82729061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82729579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41364786 + 41364787.

It is an arithmetic number, because the mean of its divisors is an integer number (41364787).

Almost surely, 2^82729573 is an apocalyptic number.

It is an amenable number.

82729573 is a deficient number, since it is larger than the sum of its proper divisors (1).

82729573 is an equidigital number, since it uses as much as digits as its factorization.

82729573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 43.

The square root of 82729573 is about 9095.5798605696. The cubic root of 82729573 is about 435.7328080530.

The spelling of 82729573 in words is "eighty-two million, seven hundred twenty-nine thousand, five hundred seventy-three".